Senior Network Engineer

Our Business

team.blue is an ecosystem of 60+ successful brands working together across 22 European countries to provide its 3.3 million SMB customers with everything they need to succeed online by offering best-in-class expertise and services.

team.blue's brands are a mix of traditional hosting businesses that offer services from domain names, email, shared hosting, e-commerce, and server hosting solutions and, as specialist SaaS providers, adjacent products such as compliance, marketing tools, and team collaboration products. This broad product offering makes it a one-stop partner for online businesses and entrepreneurs across Europe.

About the job

We are looking for a Senior Network Engineer to join one of our brands in Portugal (PTisp). On a day-to-day basis, you will manage the network infrastructure that delivers our core network connectivity throughout Portugal, including core POP sites, transit interconnection, peering and fibre backhaul services to our multiple Data Centres. The routing and switching layers that sit behind to form the core of our Hosting Products will also fall under your direct responsibility. This includes making sure that all services are available for 100% of the time as well as making sure that the network is deployed in a resilient configuration, failures, faults and general health issues are quickly resolved, and careful capacity planning to deliver in advance of requirement. Additionally, you will collaborate with Development and Support teams to resolve issues, identify improvements, and create tools to streamline troubleshooting.

You have 8–10 years of experience in IT systems, including at least 5 years in network engineering within the ISP industry. A technical-related degree is preferred. You are a proactive professional with the ability to design, implement, and expand resilient and scalable networks. Comfortable working both independently and collaboratively, you are experienced in handling multiple network vendor equipment.

Main responsibilities:

• Support and maintain network infrastructure, including Juniper, Aristaor other vendors. Maintain, operate and setup DWDM systems.


• Support, maintain and install Linux (Centos/Debian) servers that support the network infrastructure and provisioning systems.


• Ensure 24/7/365 uptime of systems and services.


• Monitor hardware health, resolve faults, and plan for equipment upgrades and EOL/EOS.


• Design, scale, and implement network infrastructure while integrating new vendor equipment.


• Collaborate with vendors, suppliers, and support key clients by meeting project requirements and ensuring delivery timelines.


• Deal with ISP policy and liaise with industry bodies when necessary.


• IP allocation management, policies and maintaining our relationship with RIPE


• Provide technical expertise, resolve escalated issues, document solutions, and train staff on implemented systems.


• Participate in on-call rotations for emergency support and travel to offices or data centers as needed.


• Drive system improvements, architectural updates, and new product or service development.


• Ensure compliance with Health and Safety regulations while staying updated on current IT technologies.

Required skills:

• Strong IT skills in internet environments, with expertise in TCP/IP, BGP, OSPF, VLANs, OSI model, Ethernet security, and IPv6.


• Experienced with Cisco or Juniper products (including IOS or Junos software maintenance and configuration)


• Knowledgeable in Linux (Centos/Debian), x86 server hardware, and data center best practices, including cabling and power management


• Experience with security issues; access control mechanisms; change management and configuration policies.


• Linux (Centos/Debian) and x86 server hardware experience desirable


• CCNP or equivalent experience is desirable.


• Link aggregation (LACP)


• NetFlow/J-Flow setup/usage


• Designing, installing, maintaining, and troubleshooting MPO cabling systems, trunk routes, and patching plant infrastructure.


• Using troubleshooting tools and the ability to manage and communicate faults with fast resolve.


• Updating device software and ISSU processes.

Other skills:

• Resilient with the ability to problem-solve


• Very good Project Management skills


• Driving business results with a focus on innovation and problem-solving.


• Effective team collaboration and self-motivation to achieve goals.


• Strong attention to detail and decisive decision-making skills.


• Good Portuguese and English level

"Come as you are"

Everyone is welcome here. Diversity & Inclusion are at our core. Far above any technical competence, we value respect, openness, and trusted collaboration. We do not tolerate intolerance.

#LI-CC1